5.63 in. in length with a diameter 1.88 in. Black Mitylite made of Xenoy/Polycarbonate. Has a focused laser spot xenon beam that can cut through smoke, fog and rain. Xenon lamp has a candlepower of 8000 for 8.8 lumens, .60 amps and 3V and 1.80 watts of power with the lamp life of 20 hours. Water resistant to 500 feet. Includes a molded-in shirt clip, xenon lamp module, 2 AA-cell alkaline batteries.